ELAIS: Near-infrared observations of the southern fields

Details ELAIS: Near-infrared observations of the southern fields ELAIS: Near-infrared observations of the southern fields

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999esasp.427.1041h&link_type=abstract

The Universe as Seen by ISO. Eds. P. Cox & M. F. Kessler. ESA-SP 427., p. 1041

Physics

Deep Survey, Follow-Up, Near-Infrared

Scientific paper

The European Large Area ISO Survey (ELAIS) is a survey of 4 main regions of the sky at 15 and 90 μm. The follow-up programmes from the ground are summarized. We present preliminary results from near-infrared (K-band) observations in the southern ELAIS fields. We show the histogramme distribution of the K-band magnitude for all objects in the observed regions. The ``stellarity'' index derived from the source extraction is also shown. We roughly find that 2/3 of the objects detected in the fields are elongated (i.e. galaxies). For a small sample of ISOPHOT detections, the corresponding NIR sources are classified as follows: a) 20% of stars: b) 70% of galaxies and c) 10% of interacting systems.

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